What is the definition of the earth's crust

“Crust” describes the outermost shell of a terrestrial planet.

Earth's crust is generally divided into older, thicker continental crust and younger, denser oceanic crust. Earth has three layers: the crust, the mantle, and the core. The crust is made of solid rocks and minerals.

the answer is "a.) well–developed vascular system."

explanation:

it would be rhyolitic hope this